#!/bin/bash

for i in $(lxc list type=container -c ns --format csv); do
    echo $(date) "- Updating ${i%,*} container..."
    if [ "${i#*,}" == "STOPPED" ]; then
        echo $(date) "- Start container"
        lxc start ${i%,*}
        sleep 5
    else
	echo $(date) "- Container is already started"
    fi
    lxc exec ${i%,*} -- sh -c "apt update"
    sleep 5
    lxc exec ${i%,*} -- sh -c "apt upgrade -y"
    sleep 5
    if [ "${i#*,}" == "STOPPED" ]; then
	echo $(date) "- Stop container"
        lxc stop ${i%,*}
    fi
done